Question
4
Selected one answer choice
收藏
笔记
反馈
On a certain multiple-choice test, 9 points are awarded for each correct answer, and 7 points are deducted for each incorrect or unanswered question. Sally received a total score of 0 points on the test. If the test has fewer than 30 questions, how many questions are on the test?
A.Cannot be determined
B.16
C.19
D.21
E.24
我的答案：